<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>任务一:九宫格</title>
    <link rel="stylesheet" href="css/style.css">
</head>
<body>
<div class="main">
    <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
    </ul>
    <p><a href="#" class="start">开始闪</a></p>
    <p><a href="#" class="finish">结束闪</a></p>
    <script type="text/javascript" src="js/script.js"></script>
</div>
</body>
</html>
